NTK TH0056 Throttle Position Sensor

Throttle Position Sensor for Toyota, Subaru, and Scion

The NTK TH0056 throttle position sensor is built for vehicles that need accurate throttle angle feedback for proper engine response and emissions control. It is a throttle body mounted sensor with a 3-terminal blade connection and a rectangular female connector, making it a direct-style replacement for many Toyota, Subaru, Scion, and Pontiac applications.

NTK’s technical sensor line draws on OE-level development and testing, with validation that includes thermal shock, vibration, and OBD verification. The TH0056 is manufactured to meet or exceed OE specifications for dependable signal output in the applications listed below.

Key Features

• Brand: NTK Throttle Position Sensor
• Part number: TH0056
• Throttle body mounted design
• Plastic sensor housing
• 3-terminal blade style
• 1 rectangular female connector
• Male terminal ends
• No mounting hardware included
• No mounting bracket included

Detailed Application Overview

This NTK throttle position sensor is used to report throttle plate movement to the engine control system, helping maintain correct fuel delivery, idle behavior, and throttle response. It is a fitment-based replacement for many import and domestic vehicles, including Fits 2003-2006 Pontiac Vibe, N/A; Fits 2004-2006 Scion xA, N/A; Fits 2004-2006 Scion xB, N/A; Fits 2003-2006 Toyota Matrix, N/A; Fits 2002-2005 Subaru Impreza, N/A; and Fits 2000-2005 Toyota Celica, N/A. The TH0056 also covers additional Toyota Corolla, Echo, MR2 Spyder, RAV4, Paseo, and Tercel applications, plus Subaru Legacy, Outback, and Forester listings.

This part cross-references Standard Ignition TH240 and TH294 for the same application.

What It Helps Solve

• Throttle angle signal errors
• Rough or unstable idle caused by incorrect TPS output
• Delayed or inconsistent throttle response
• Check engine lights related to throttle position sensor faults
• Driveability issues tied to worn sensor contacts

Installation Notes and Tips

• Verify connector style, terminal count, and throttle body mounting before installation.
• Inspect the throttle body and wiring connector for corrosion, looseness, or damage.
• Confirm application details for vehicles with special notes, such as the 1999 Subaru Impreza with 3-terminal connector and the 2001-2005 Toyota MR2 Spyder except Sequential Shift.
• After installation, clear fault codes and confirm throttle signal operation with a scan tool if required.

Quality Assurance

NTK manufactures this sensor using OE-focused engineering and testing practices. The TH0056 is validated through thermal shock, vibration, and OBD checks to support consistent performance in the listed Toyota, Subaru, Scion, and Pontiac applications.